And you start to think, What would I do if I set a curriculum for a school?

God, how exciting that could be! But you can't do it today. You'd be crazy to work in a school today. You don't get to do what you want. You don't get to pick your books, your curriculum. You get to teach one narrow specialization. Who would ever want to do that?

The whole 1996 interview is a very interesting read.